EP0282736A1 - Dispositif de retour pour moissonneuse-batteuse - Google Patents
Dispositif de retour pour moissonneuse-batteuse Download PDFInfo
- Publication number
- EP0282736A1 EP0282736A1 EP88102010A EP88102010A EP0282736A1 EP 0282736 A1 EP0282736 A1 EP 0282736A1 EP 88102010 A EP88102010 A EP 88102010A EP 88102010 A EP88102010 A EP 88102010A EP 0282736 A1 EP0282736 A1 EP 0282736A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor
- return
- screw
- sieve
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/52—Arrangements for returning unthreshed grain to the threshing device
Definitions
- the invention relates to a return device for combine harvesters with a cleaning device having a sieve box for collecting, sieving and cleaning the threshed material and a conveying device for returning the unscreened goods migrating to the valley side, in particular when driving down slopes on the sieve box, with two provided on each side of the cleaning device Outlets, one of which, when the combine is tilted, feeds the unscreened material to the slope side of the cleaning device or the screen box.
- This return device (DE-Al-32 12 694) consists of a return system with a single screw with two counter-rotating screw flights, which is arranged under a sieve box and the ends of which lead to throwing elevators, which are simultaneously designed as re-harvesters. These are provided on both sides of the combine harvester, and pipes, from which pipes are still connected, lead from these to the screen box. At the end of the sieve box, a bottom is provided, via which material emerging at the end of the sieve box is fed to the right-hand and left-hand screw, so that it also functions as a return screw.
- the guide tubes which can be followed by manually adjustable guide plates, are intended to distribute the material from the tailings over the entire width of the screen box and act when driving on slopes in such a way that the screw moving on the screen box to the valley side is abandoned by the screw and is conveyed from this to the valley side, gets there into the throwing elevator and is blown on the screen box from the valley side to the slope side against the air flow of the opposite throwing elevator or its guide tube serving as an outlet.
- the guide tubes In order that the material can be blown from the valley side to the slope side at all, the guide tubes must extend far beyond the sieve box, which is already ent in this area speaking space must be created, so the height of the combine must be increased accordingly.
- the object to be achieved with the invention is seen in achieving the desired effect with simple means in the generically considered return device when driving on slopes.
- This object is achieved in that when the combine is at a maximum incline, the unscreened material is returned to the cleaning device or the screen box via the outlet on the slope side.
- This measure avoids all of the disadvantages listed above in relation to the prior art, it being irrelevant at first whether the material is blown through the outlets or discharged via subsidies.
- the choice of the outlet on the slope side makes it possible to return the goods directly to the slope side of a part belonging to the cleaning device, such as the sieve box, the feed tray or the shaker return tray.
- the material can reach the outlets by means of a variety of conveying devices, for example by fans provided directly at the end of the screen box, or screws or the like guided to the outlets from the end of the screen box.
- the cross conveyor consists of two counter-operating conveyor elements which are connected at one end to a height conveyor, their other end or an area assigned to this end being connected to one end side of the screen box, whereby the conveyor elements are designed as screw conveyors.
- the sweeping material at the end of the sieve box can be conveyed to the opposite side of the combine harvester when traveling in the plane and on a slope, so that both augers also work as sweeping augers.
- the conveyor screws can each be arranged in a screw housing having an inlet opening and an outlet opening, which extend beyond the lateral boundary of the sieve box.
- Each outlet of the height conveyor can advantageously be provided in the area of the return floor of a tray shaker and / or a feed floor upstream of the screen box, the height conveyor being designed as an elevator conveyor or as a throwing conveyor having a paddle wheel. If the height conveyor is designed as an elevator conveyor, there are no problems with the storage, since the goods simply fall onto the slope side of the corresponding part or get onto this through a throwing wheel. Also training as a throwing conveyor is particularly problem-free if the outlets are not directed transversely to the sieve box or the like, but in the longitudinal direction thereof.
- the two horizontally arranged screw conveyors can be arranged below the sieve box in one plane and one behind the other.
- each inlet opening can be in conveying connection with collecting elements arranged on the side walls of the screen box, the collecting elements on each side wall consisting of return channels which are inclined with respect to the base area of the combine harvester and which are approximately V-shaped with respect to one another and whose discharge ends are centered. or are directly connected to the elevator, while the front end of one return channel extends into the front area of the screen box and the rear end of the other return channel extends into the discharge area of the screen box.
- larger passage openings can be provided on the side and / or in the region of the end of the upper and / or lower screen, which in the oblique position of the The sieve box is open above the flaps and feeds the harvested crop from the side via the return channels or an inclined floor to a height conveyor.
- the paddle wheel of the throwing conveyor is arranged at the feed end of the screw conveyor.
- 10 denotes a combine harvester that is equipped with a driver's cab 12 and a combine harvester housing 14 provided behind the driver's cab 12, which once accommodates a collecting container (not shown in the drawing) and a cleaning device 21 shown in FIGS. 2 and 3.
- a collecting container not shown in the drawing
- a cleaning device 21 shown in FIGS. 2 and 3.
- the combine 10 is supported on two drivable front wheels 19 and rear controllable wheels 20.
- the cleaning device 21 is fed with crop material via a feed floor 22 and is laterally delimited by side walls 17 (FIGS. 4, 5). 4, the side wall 17 can either be inside an elevator conveyor 59 described below or outside (see right part of the combine harvester according to FIG. 4) of an elevator conveyor 58. Above the cleaning device 21 and the feed tray 22 there is a tray shaker 49 with a return tray 50 (FIG. 3).
- the cleaning device 21 is supplied with cleaning air from the front via a blower 23.
- the cleaning device 21 consists of a sieve box 24, which consists of an upper sieve or spreading sieve 25 and a lower sieve or grain sieve 26, which are delimited by a left and right side wall 27 and 28 and are interconnected.
- the upper edge of the side wall 27 or 28 lies above the surface of the upper sieve 25, so that the crop cannot move immediately over the upper edge of the side wall 27 or 28 in the case of an inclined position.
- the crop material can first of all preferably in the rear area on the side walls 27 and 28 of the sieve 25 or in one the grain sieve adjoining transfer sieve migrate or emerge through openings 29 which can each be opened via a flap 30 which is adjustable depending on the inclined position of the combine harvester.
- the flap 30 can, however, also be omitted if the passage openings are provided at the very end of the sieve. On the other hand, the passage openings can also be omitted, the material then possibly migrating over the rear end of the return screen.
- the material passed through the laterally arranged passage openings 29 passes via an inclined bottom 31 to a left or right throwing conveyor 32 or 32 ⁇ , which delivers the crop as described below - to the rear end of the feed bottom 22 .
- Each throwing conveyor 32 and 32 ⁇ each has a chute 33 and 34 arranged on the outside next to the side walls 27 and 28, and since the left and right throwing conveyors 32 and 32 ⁇ are essentially the same, only the left, rear throwing conveyor 32 ⁇ is in detail below Described with reference to FIGS. 2 and 5, wherein the reference numbers of the right throwing conveyor 32 which are identical to the left throwing conveyor 32 ⁇ are not provided with a comma.
- This throwing conveyor 32 ⁇ consists of a throwing conveyor housing 36 ⁇ , which is fixed to a cylindrical screw housing 37 ⁇ (in the drawing is only the left half of the screw housing 37 ⁇ shown).
- the screw housing 37 ⁇ serves to receive a conveyor screw 38 ⁇ conveying to the left, the screw shaft 39 ⁇ of which is rotatably mounted, for example, in a side wall 43 ′ of the throwing conveyor housing 36 ⁇ .
- the discharge end of the chute 34 ends above the discharge end of the feed tray 22 close to its left outer edge in an outlet 35, so that the crop picked up by the throwing conveyor can be fed again to the feed tray and thus to the cleaning process.
- a return screw 60 shown in FIG. 3 is missing, since the conveyor screw 38 'conveying to the left and the conveyor screw 38 conveying to the right take over the task of the conveyor screw.
- the material discharged at the rear end of the upper sieve 25, possibly through the passage openings 29, reaches via the bottom 31 either to the left or to the right screw conveyor 38 ⁇ or 38, which is designed, for example divided, for this purpose.
- the so-called return passes through the openings 29 through the bottom 31 into the screw housing 37 ⁇ and 37, which are provided with inlet openings, not shown in the drawing.
- the throwing conveyor 32 or 32terrorism can perform two functions.
- the right-hand conveyor screw with its screw housing 37 can be seen in front of the conveyor screw 38 ⁇ conveying to the left.
- the conveyor screw 38 conveying to the right thus works in the opposite direction to the conveyor screw 38 ⁇ .
- slope driving ten of the combine harvester the tendency that the material migrates diagonally from the slope side to the valley side on the upper sieve 25, accumulates there and is conveyed backwards to the end of the return sieve or to the passage openings.
- the combine has an inclined position such that its right side is uphill and its left side is downhill, at least a large part of the material migrates to the left rear end of the transfer screen or over its end or, if necessary, through the left passage opening 29 to the left side of the bottom 31 and, as a result of this, arranging it forward until it reaches the right-hand conveyor screw 38 through the appropriately designed inlet opening in the screw housing 37.
- This conveys the crop to the right side of the combine and via the paddle wheel 40 and the throwing shaft 33 arranged on the right to the right, that is to say the slope side of the feed tray 22, so that the crop is subjected to a further pass.
- the left throwing conveyor 32 ⁇ is used in a corresponding manner, so that when traveling down slopes, the material located on the upper sieve 25, which migrates down the valley and is not screened, is always conveyed back to the slope side of the feed tray.
- the throwing conveyors 33 and 34 are either driven continuously or alternately switched on when driving down slopes via a control device if crop is fed to them.
- FIGS. 3 and 4 show a further exemplary embodiment of a return device with return channels 55, 56 and the elevator conveyors 58, 59 for the material that accumulates on one side of the upper screen 25 when driving on slopes. 3 and 4, the parts corresponding to FIGS. 2 and 5 are provided with the same reference numerals.
- the cleaning device 21 consists of the upper sieve 25 and the lower sieve 26, which are delimited by the side walls 27 and 28, with a return channel 55, 56 on each side the side walls 27, 28 is attached.
- the side wall 27 and 28 is extended and provided with an inclined cover part 51, so that the crop 52 migrates over the upper edge 54 of the cover part 51 according to arrow 53 when the combine harvester 10 is inclined and z. B. is caught in the right return channel 55 or the left return channel 56.
- the return channels 55 and 56 are arranged in a V-shape with respect to one another and are inclined with respect to the standing surface of the combine 10 so that the crop according to FIG. 3 can be fed to the front and rear screw conveyors 38 and 38 ⁇ .
- Fig. 3 only the two return channels 55 and 56, which are arranged on the left side wall 28, are shown, which are used to feed the front screw conveyor 38.
- On the right side wall 27 there are also two return channels which feed the material to the rear screw conveyor 38 ⁇ when the combine is inclined to the right.
- the return channels 55, 56 on the right side wall 27 then lead the crop through the inlet opening into the screw housing 37 ⁇ , so that the crop collected on the valley side in each case is conveyed via the screw conveyor 38 ⁇ to the slope side in the elevator conveyor 58.
- the crop arrives at the top, so that it can then be discharged again on the left-hand side of the return tray 50, which then feeds the crop to the feed tray 22, so that the crop is fed to the cleaning process again.
- the rear elevator conveyor 58 is indicated in dashed lines, while the elevator conveyor 59 lying on the other side of the cleaning device is not shown for the sake of simplicity. If the combine is inclined to the left, for example, the crop arrives in via the return channels 55, 56 and the inlet opening the screw housing 37.
- the screw conveyor 38 conveys from left to right and thus opposite to the screw conveyor 38 ⁇ , so that the material accumulated on the left side of the cleaning device via the return channels 55, 56 can also be fed to the elevator conveyor 59, which returns the crop to the return floor 50 feeds.
- the two screw conveyors 38 and 38 so according to FIGS. 3 and 4 can be driven continuously, so that depending on the slope they either direct the crop from the left or from the right side of the cleaning device 21 to the opposite side of the cleaning device. In this way it is ensured that the crop released on the valley side via the upper sieve 25 is not lost, but can be returned to the cleaning process, regardless of the point at which the crop collected on one side is released.
- two counter-rotating screw conveyors 38 and 38 ⁇ are provided. However, it is also possible to provide only one screw conveyor, the direction of rotation of which is reversible and which alternately feeds either the left or the right height conveyor with crop.
- each elevator conveyor 58 and 59 ends above the return floor 50, and the material is fed to the return floor 50 via throwing wheels 45, 46 provided at the upper end of the elevator conveyor.
- the screw conveyors 38, 38 ⁇ are designed to be right-handed and run in opposite directions fig driven. However, it is also advantageous to design the screw conveyors to run left and right and then to drive them in synchronism.
- return channels 55, 56 can also be provided in the exemplary embodiment according to FIGS. 2 and 5.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
- Harvester Elements (AREA)
- Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3709242 | 1987-03-20 | ||
DE19873709242 DE3709242A1 (de) | 1987-03-20 | 1987-03-20 | Reinigungsvorrichtung fuer maehdrescher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0282736A1 true EP0282736A1 (fr) | 1988-09-21 |
EP0282736B1 EP0282736B1 (fr) | 1991-05-02 |
Family
ID=6323624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88102010A Expired - Lifetime EP0282736B1 (fr) | 1987-03-20 | 1988-02-11 | Dispositif de retour pour moissonneuse-batteuse |
Country Status (6)
Country | Link |
---|---|
US (1) | US4968285A (fr) |
EP (1) | EP0282736B1 (fr) |
BR (1) | BR8801178A (fr) |
CA (1) | CA1289841C (fr) |
DE (2) | DE3709242A1 (fr) |
DK (1) | DK149688A (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0473974A1 (fr) * | 1990-08-11 | 1992-03-11 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Compensateur de pente pour moissonneuse-batteuse |
EP0768025A1 (fr) * | 1992-07-02 | 1997-04-16 | New Holland Belgium N.V. | Dispositif de renvoi de résidus pour moissonneuse-batteuse |
EP0848901A1 (fr) * | 1996-12-20 | 1998-06-24 | Same Deutz-Fahr S.P.A. | Machine de récolte agricole |
EP3501259A1 (fr) * | 2017-12-09 | 2019-06-26 | Deere & Company | Bac de retour destiné à une moissonneuse-batteuse agricole |
EP3613276A1 (fr) * | 2018-08-24 | 2020-02-26 | CLAAS Selbstfahrende Erntemaschinen GmbH | Automotrice de récolte, en particulier moissonneuse-batteuse |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5282771A (en) * | 1992-05-29 | 1994-02-01 | Probe Adventures, Inc. | Combine sieve levelling apparatus |
US5338257A (en) * | 1992-05-29 | 1994-08-16 | Probe Adventures, Inc. | Combine sieve distributor apparatus |
WO2005018303A1 (fr) | 2003-08-19 | 2005-03-03 | James Straeter | Sabot combine commande par ecoulement d'air |
US7396278B2 (en) * | 2004-01-27 | 2008-07-08 | Deere & Company | Cleaning shoe spreaders |
US8626400B2 (en) * | 2008-05-29 | 2014-01-07 | Deere & Company | Grain cleaning system |
BR112014004142B1 (pt) | 2011-08-22 | 2019-04-24 | Cnh Industrial America Llc | Colheitadeira de grãos com sistema de limpeza tendo evacuação precoce de grão limpo |
GB201515948D0 (en) * | 2015-09-09 | 2015-10-21 | Agco Int Gmbh | Grain cleaning system in a combine harvester |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750037A (en) * | 1952-11-08 | 1956-06-12 | Wendell A Taylor | Grain saving device for combines |
DE1199536B (de) * | 1962-11-03 | 1965-08-26 | Jens Axel Freudendahl | Maehdrescher |
FR1521157A (fr) * | 1967-04-28 | 1968-04-12 | Fahr Ag Maschf | Moissonneuse-batteuse avec dispositif de retour pour grain non nettoyé |
US3581746A (en) * | 1968-05-01 | 1971-06-01 | Robert A Louks | Apparatus for distributing grain to a combine chaffer screen |
US3910285A (en) * | 1973-05-03 | 1975-10-07 | Keese Beth | Blower apparatus for a combine |
DE2632560A1 (de) * | 1976-07-20 | 1978-01-26 | Claas Maschf Gmbh Geb | Reinigungsvorrichtung an maehdreschern |
GB2051542A (en) * | 1979-07-06 | 1981-01-21 | Sperry Nv | Combine harvesters |
EP0091538A1 (fr) * | 1982-04-05 | 1983-10-19 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Moissonneuse-batteuse comportant des dispositifs de retour |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732941A (en) * | 1956-01-31 | Deiss | ||
DE91538C (fr) * | ||||
US945187A (en) * | 1908-04-28 | 1910-01-04 | Nicholas N Nelson | Screen for threshing-machine separators. |
BE554331A (fr) * | 1956-01-19 | |||
US3115142A (en) * | 1961-05-10 | 1963-12-24 | Massey Ferguson Ltd | Auxiliary rethresher for a combine |
US3247855A (en) * | 1962-03-13 | 1966-04-26 | Massey Ferguson Ltd | Auxiliary rethresher for a combine |
US3536077A (en) * | 1968-03-27 | 1970-10-27 | Avco Corp | Corn shellers |
BE790499A (fr) * | 1971-10-25 | 1973-02-15 | Clayson Nv | Kompakte maaidorser |
US3976084A (en) * | 1975-04-23 | 1976-08-24 | Massey-Ferguson Industries Limited | Rethresher blower for a combine |
GB1552414A (en) * | 1975-07-24 | 1979-09-12 | Ilcor Gmbh | Backing of carpets |
DE2922607A1 (de) * | 1979-06-02 | 1981-01-08 | Claas Ohg | Geblaese fuer die reinigungsvorrichtung von maehdreschern |
US4373537A (en) * | 1981-08-31 | 1983-02-15 | Massey-Ferguson Services N.V. | Grain separating apparatus |
US4441511A (en) * | 1982-03-22 | 1984-04-10 | Schroeder Douglas K | Pneumatic material handling system for combines |
-
1987
- 1987-03-20 DE DE19873709242 patent/DE3709242A1/de active Granted
-
1988
- 1988-02-11 DE DE8888102010T patent/DE3862597D1/de not_active Expired - Fee Related
- 1988-02-11 EP EP88102010A patent/EP0282736B1/fr not_active Expired - Lifetime
- 1988-03-10 US US07/167,069 patent/US4968285A/en not_active Expired - Fee Related
- 1988-03-15 CA CA000561537A patent/CA1289841C/fr not_active Expired - Fee Related
- 1988-03-16 BR BR8801178A patent/BR8801178A/pt unknown
- 1988-03-18 DK DK149688A patent/DK149688A/da not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750037A (en) * | 1952-11-08 | 1956-06-12 | Wendell A Taylor | Grain saving device for combines |
DE1199536B (de) * | 1962-11-03 | 1965-08-26 | Jens Axel Freudendahl | Maehdrescher |
FR1521157A (fr) * | 1967-04-28 | 1968-04-12 | Fahr Ag Maschf | Moissonneuse-batteuse avec dispositif de retour pour grain non nettoyé |
US3581746A (en) * | 1968-05-01 | 1971-06-01 | Robert A Louks | Apparatus for distributing grain to a combine chaffer screen |
US3910285A (en) * | 1973-05-03 | 1975-10-07 | Keese Beth | Blower apparatus for a combine |
DE2632560A1 (de) * | 1976-07-20 | 1978-01-26 | Claas Maschf Gmbh Geb | Reinigungsvorrichtung an maehdreschern |
GB2051542A (en) * | 1979-07-06 | 1981-01-21 | Sperry Nv | Combine harvesters |
EP0091538A1 (fr) * | 1982-04-05 | 1983-10-19 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Moissonneuse-batteuse comportant des dispositifs de retour |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0473974A1 (fr) * | 1990-08-11 | 1992-03-11 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Compensateur de pente pour moissonneuse-batteuse |
EP0768025A1 (fr) * | 1992-07-02 | 1997-04-16 | New Holland Belgium N.V. | Dispositif de renvoi de résidus pour moissonneuse-batteuse |
EP0848901A1 (fr) * | 1996-12-20 | 1998-06-24 | Same Deutz-Fahr S.P.A. | Machine de récolte agricole |
EP3501259A1 (fr) * | 2017-12-09 | 2019-06-26 | Deere & Company | Bac de retour destiné à une moissonneuse-batteuse agricole |
US10791677B2 (en) | 2017-12-09 | 2020-10-06 | Deere & Company | Return pan for an agricultural combine |
EP3613276A1 (fr) * | 2018-08-24 | 2020-02-26 | CLAAS Selbstfahrende Erntemaschinen GmbH | Automotrice de récolte, en particulier moissonneuse-batteuse |
Also Published As
Publication number | Publication date |
---|---|
US4968285A (en) | 1990-11-06 |
DE3862597D1 (de) | 1991-06-06 |
EP0282736B1 (fr) | 1991-05-02 |
DK149688D0 (da) | 1988-03-18 |
DK149688A (da) | 1988-09-21 |
DE3709242C2 (fr) | 1991-06-20 |
BR8801178A (pt) | 1988-10-25 |
DE3709242A1 (de) | 1988-09-29 |
CA1289841C (fr) | 1991-10-01 |
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